The CHA2394-99F from United Monolithic Semiconductors is a RF Amplifier with Frequency 36 to 40 GHz, Small Signal Gain 18 to 21 dB pk-pk, Gain Flatness ±1.5 dB, Noise Figure 2.5 to 3 dB, Output Power 5 to 8 dBm. Tags: Low Noise Amplifier. More details for CHA2394-99F can be seen below.